613798 has 4 divisors (see below), whose sum is σ = 920700. Its totient is φ = 306898.

The previous prime is 613763. The next prime is 613807. The reversal of 613798 is 897316.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153448 + ... + 153451.

It is an arithmetic number, because the mean of its divisors is an integer number (230175).

2⁶¹³⁷⁹⁸ is an apocalyptic number.

613798 is a deficient number, since it is larger than the sum of its proper divisors (306902).

613798 is a wasteful number, since it uses less digits than its factorization.

613798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306901.

The product of its digits is 9072, while the sum is 34.

The square root of 613798 is about 783.4526150317. The cubic root of 613798 is about 84.9849108163.

The spelling of 613798 in words is "six hundred thirteen thousand, seven hundred ninety-eight".